A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

As the interstellar comet 3I/ATLAS sweeps through the inner solar system, it has become a magnet for both scientific ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

That book is none other than Ursula K. Le Guin's classic novel The Left Hand of Darkness, which is Carol Sturka's (Rhea ...

Benjamin Barakat’s award-winning astrophotograph reveals Socotra’s surreal bottle tree beneath a pristine Milky Way ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

The third movie in James Cameron's epic sci-fi franchise makes major leaps in technology but offers a bloated retread of a ...

Alex Storer creates vast landscapes and glimpses into worlds alien and unknown. At 80 pages, this collection curates a ...

But in this case, the companion is officially considered an exoplanet, not a star. The International Astronomical Union ...